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an incredibly annoying series of texts that either

a) could have been condensed in a single text
b) are closely timed and repetitive
God Damn it. I gave Debby my phone number and now she has been hammertexting me for the last hour asking where I am. Avoiding Debby, that's where.
by MC hammer February 20, 2012
A text received from someone, usually at a socially inappropriate hour, that is obviously under the influence of alcohol or drugs.
"This guy hammertexted me at 3AM, he was wasted."
by Pfelgin Negnar June 10, 2013